# Integration test for golang.org/issue/33848: automatically check and use vendored packages.

env GO111MODULE=on

[short] skip

cd $WORK/auto
cp go.mod go.mod.orig
cp $WORK/modules-1.13.txt $WORK/auto/modules.txt

# An explicit -mod=vendor should force use of the vendor directory.
env GOFLAGS=-mod=vendor

# Pass -e to permit an error: tools.go imports a main package
# "example.com/printversion".
# TODO(#59186): investigate why it didn't fail without -e.
go list -f {{.Dir}} -tags tools -e all
stdout '^'$WORK'[/\\]auto$'
stdout '^'$WORK'[/\\]auto[/\\]vendor[/\\]example.com[/\\]printversion$'
stdout '^'$WORK'[/\\]auto[/\\]vendor[/\\]example.com[/\\]version$'

! go list -m all
stderr 'go: can''t compute ''all'' using the vendor directory\n\t\(Use -mod=mod or -mod=readonly to bypass.\)'

! go list -m -f '{{.Dir}}' all
stderr 'go: can''t compute ''all'' using the vendor directory\n\t\(Use -mod=mod or -mod=readonly to bypass.\)'

# An explicit -mod=mod should force the vendor directory to be ignored.
env GOFLAGS=-mod=mod

go list -f {{.Dir}} -tags tools -e all
stdout '^'$WORK'[/\\]auto$'
stdout '^'$GOPATH'[/\\]pkg[/\\]mod[/\\]example.com[/\\]printversion@v1.0.0$'
stdout '^'$WORK'[/\\]auto[/\\]replacement-version$'

go list -m all
stdout '^example.com/auto$'
stdout 'example.com/printversion v1.0.0'
stdout 'example.com/version v1.0.0'

go list -m -f '{{.Dir}}' all
stdout '^'$WORK'[/\\]auto$'
stdout '^'$GOPATH'[/\\]pkg[/\\]mod[/\\]example.com[/\\]printversion@v1.0.0$'
stdout '^'$WORK'[/\\]auto[/\\]replacement-version$'

# If the main module's "go" directive says 1.13, we should default to -mod=mod.
env GOFLAGS=
go mod edit -go=1.13

go list -f {{.Dir}} -tags tools -e all
stdout '^'$WORK'[/\\]auto$'
stdout '^'$GOPATH'[/\\]pkg[/\\]mod[/\\]example.com[/\\]printversion@v1.0.0$'
stdout '^'$WORK'[/\\]auto[/\\]replacement-version$'

go list -m -f '{{.Dir}}' all
stdout '^'$WORK'[/\\]auto$'
stdout '^'$GOPATH'[/\\]pkg[/\\]mod[/\\]example.com[/\\]printversion@v1.0.0$'
stdout '^'$WORK'[/\\]auto[/\\]replacement-version$'

# A 'go 1.14' directive in the main module's go.mod file should enable
# -mod=vendor by default, along with stronger checks for consistency
# between the go.mod file and vendor/modules.txt.
# A 'go 1.13' vendor/modules.txt file is not usually sufficient
# to pass those checks.
go mod edit -go=1.14

! go list -f {{.Dir}} -tags tools all
stderr '^go: inconsistent vendoring in '$WORK[/\\]auto':$'
stderr '^\texample.com/printversion@v1.0.0: is explicitly required in go.mod, but not marked as explicit in vendor/modules.txt'
stderr '^\texample.com/unused: is replaced in go.mod, but not marked as replaced in vendor/modules.txt'
stderr '^\texample.com/version@v1.2.0: is replaced in go.mod, but not marked as replaced in vendor/modules.txt'
stderr '^\tTo ignore the vendor directory, use -mod=readonly or -mod=mod.\n\tTo sync the vendor directory, run:\n\t\tgo mod vendor$'

# Module-specific subcommands should continue to load the full module graph.
go mod graph
stdout '^example.com/printversion@v1.0.0 example.com/version@v1.0.0$'

# An explicit -mod=mod should still force the vendor directory to be ignored.
env GOFLAGS=-mod=mod

go list -f {{.Dir}} -tags tools -e all
stdout '^'$WORK'[/\\]auto$'
stdout '^'$GOPATH'[/\\]pkg[/\\]mod[/\\]example.com[/\\]printversion@v1.0.0$'
stdout '^'$WORK'[/\\]auto[/\\]replacement-version$'

go list -m all
stdout '^example.com/auto$'
stdout 'example.com/printversion v1.0.0'
stdout 'example.com/version v1.0.0'

go list -m -f '{{.Dir}}' all
stdout '^'$WORK'[/\\]auto$'
stdout '^'$GOPATH'[/\\]pkg[/\\]mod[/\\]example.com[/\\]printversion@v1.0.0$'
stdout '^'$WORK'[/\\]auto[/\\]replacement-version$'

# 'go mod vendor' should repair vendor/modules.txt so that the implicit
# -mod=vendor works again.
env GOFLAGS=

go mod edit -go=1.14
go mod vendor

go list -f {{.Dir}} -tags tools -e all
stdout '^'$WORK'[/\\]auto$'
stdout '^'$WORK'[/\\]auto[/\\]vendor[/\\]example.com[/\\]printversion$'
stdout '^'$WORK'[/\\]auto[/\\]vendor[/\\]example.com[/\\]version$'

# ...but 'go list -m' should continue to fail, this time without
# referring to a -mod default that the user didn't set.
! go list -m all
stderr 'go: can''t compute ''all'' using the vendor directory\n\t\(Use -mod=mod or -mod=readonly to bypass.\)'

! go list -m -f '{{.Dir}}' all
stderr 'go: can''t compute ''all'' using the vendor directory\n\t\(Use -mod=mod or -mod=readonly to bypass.\)'


# 'go mod init' should work if there is already a GOPATH-mode vendor directory
# present. If there are no module dependencies, -mod=vendor should be used by
# default and should not fail the consistency check even though no module
# information is present.

rm go.mod
rm vendor/modules.txt

go mod init example.com/auto
go list -f {{.Dir}} -tags tools -e all
stdout '^'$WORK'[/\\]auto$'
stdout '^'$WORK'[/\\]auto[/\\]vendor[/\\]example.com[/\\]printversion$'
stdout '^'$WORK'[/\\]auto[/\\]vendor[/\\]example.com[/\\]version$'

# If information about dependencies is added to a 1.14 go.mod file, subsequent
# list commands should error out if vendor/modules.txt is missing or incomplete.

cp go.mod.orig go.mod
go mod edit -go=1.14
! go list -f {{.Dir}} -tags tools -e all
stderr '^go: inconsistent vendoring in '$WORK[/\\]auto':$'
stderr '^\texample.com/printversion@v1.0.0: is explicitly required in go.mod, but not marked as explicit in vendor/modules.txt'
stderr '^\texample.com/unused: is replaced in go.mod, but not marked as replaced in vendor/modules.txt'
stderr '^\texample.com/version@v1.2.0: is replaced in go.mod, but not marked as replaced in vendor/modules.txt'
stderr '^\tTo ignore the vendor directory, use -mod=readonly or -mod=mod.\n\tTo sync the vendor directory, run:\n\t\tgo mod vendor$'

# If -mod=vendor is set, limited consistency checks should apply even when
# the go version is 1.13 or earlier.
# An incomplete or missing vendor/modules.txt should resolve the vendored packages...
go mod edit -go=1.13
go list -mod=vendor -f {{.Dir}} -tags tools -e all
stdout '^'$WORK'[/\\]auto$'
stdout '^'$WORK'[/\\]auto[/\\]vendor[/\\]example.com[/\\]printversion$'
stdout '^'$WORK'[/\\]auto[/\\]vendor[/\\]example.com[/\\]version$'

# ...but a version mismatch for an explicit dependency should be noticed.
cp $WORK/modules-bad-1.13.txt vendor/modules.txt
! go list -mod=vendor -f {{.Dir}} -tags tools all
stderr '^go: inconsistent vendoring in '$WORK[/\\]auto':$'
stderr '^\texample.com/printversion@v1.0.0: is explicitly required in go.mod, but vendor/modules.txt indicates example.com/printversion@v1.1.0$'
stderr '^\tTo ignore the vendor directory, use -mod=readonly or -mod=mod.\n\tTo sync the vendor directory, run:\n\t\tgo mod vendor$'

# If the go version is still 1.13, 'go mod vendor' should write a
# matching vendor/modules.txt containing the corrected 1.13 data.
go mod vendor
cmp $WORK/modules-1.13.txt vendor/modules.txt

go list -mod=vendor -f {{.Dir}} -tags tools -e all
stdout '^'$WORK'[/\\]auto$'
stdout '^'$WORK'[/\\]auto[/\\]vendor[/\\]example.com[/\\]printversion$'
stdout '^'$WORK'[/\\]auto[/\\]vendor[/\\]example.com[/\\]version$'

# When the version is upgraded to 1.14, 'go mod vendor' should write a
# vendor/modules.txt with the updated 1.14 annotations.
go mod edit -go=1.14
go mod vendor
cmp $WORK/modules-1.14.txt vendor/modules.txt

# Then, -mod=vendor should kick in automatically and succeed.
go list -f {{.Dir}} -tags tools -e all
stdout '^'$WORK'[/\\]auto$'
stdout '^'$WORK'[/\\]auto[/\\]vendor[/\\]example.com[/\\]printversion$'
stdout '^'$WORK'[/\\]auto[/\\]vendor[/\\]example.com[/\\]version$'

# 'go get' should update from the network or module cache,
# even if a vendor directory is present.
go get example.com/version@v1.1.0
! go list -f {{.Dir}} -tags tools all
stderr '^go: inconsistent vendoring'

-- $WORK/auto/go.mod --
module example.com/auto

go 1.13

require example.com/printversion v1.0.0

replace (
	example.com/unused => nonexistent.example.com/unused v1.0.0-whatever
	example.com/version v1.0.0 => ./replacement-version
	example.com/version v1.2.0 => nonexistent.example.com/version v1.2.0
)
-- $WORK/auto/tools.go --
// +build tools

package auto

import _ "example.com/printversion"
-- $WORK/auto/auto.go --
package auto
-- $WORK/auto/replacement-version/go.mod --
module example.com/version
-- $WORK/auto/replacement-version/version.go --
package version

const V = "v1.0.0-replaced"
-- $WORK/modules-1.14.txt --
# example.com/printversion v1.0.0
## explicit
example.com/printversion
# example.com/version v1.0.0 => ./replacement-version
example.com/version
# example.com/unused => nonexistent.example.com/unused v1.0.0-whatever
# example.com/version v1.2.0 => nonexistent.example.com/version v1.2.0
-- $WORK/modules-1.13.txt --
# example.com/printversion v1.0.0
example.com/printversion
# example.com/version v1.0.0 => ./replacement-version
example.com/version
-- $WORK/modules-bad-1.13.txt --
# example.com/printversion v1.1.0
example.com/printversion
# example.com/version v1.1.0
example.com/version
-- $WORK/auto/vendor/example.com/printversion/go.mod --
module example.com/printversion

require example.com/version v1.0.0
replace example.com/version v1.0.0 => ../oops v0.0.0
exclude example.com/version v1.0.1
-- $WORK/auto/vendor/example.com/printversion/printversion.go --
package main

import (
	"fmt"
	"os"
	"runtime/debug"

	_ "example.com/version"
)

func main() {
	info, _ := debug.ReadBuildInfo()
	fmt.Fprintf(os.Stdout, "path is %s\n", info.Path)
	fmt.Fprintf(os.Stdout, "main is %s %s\n", info.Main.Path, info.Main.Version)
	for _, m := range info.Deps {
		fmt.Fprintf(os.Stdout, "using %s %s\n", m.Path, m.Version)
	}
}
-- $WORK/auto/vendor/example.com/version/version.go --
package version

const V = "v1.0.0-replaced"
